A Treatise On Crystallography

Author : N. Story-Maskelyne
Publisher :
ISBN 13 : 9781332313730
Total Pages : 548 pages
Book Rating : 4.3/5 (137 download)

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Download or read book Crystallography written by N. Story-Maskelyne and published by . This book was released on 2015-08-05 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Crystallography: A Treatise on the Morphology of Crystals The establishment of Crystallography as a science at the hands of Hauy dates back a hundred years from the present time; and midway in that period (in 1839) Professor W. H. Miller published his now classical Treatise. The notation by index-symbols, the representation of the relative positions of crystal faces by the distribution of their 'poles' on a sphere, the stereographic projection of the sphere and of the poles lying upon it, and some of the methods that Miller employed in dealing with the symbols of crystal faces, may indeed be shown to have been introduced in various memoirs by earlier geometers. Thus Bernhardi (1809), Neumann (1823), Frankenheim (1826), and Grassmann (1829) had all represented crystal faces by their normals; the three latter had projected the poles of faces and of zones on the great circles of a sphere: Neumann further represented a face by a symbol that was a first approximation to the simple form suggested by Whewell (1824-5) and afterwards by Justus G. Grassmann (1829) before it became in the hands of Miller an effective implement by which to rear the structure of modern Crystallography. Dr. Whewell, Miller's immediate predecessor in the Cambridge Chair, had indicated the method of deriving the symbol of a face from those of two other faces truncated by it. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."